I
ian ripper
Sunny days
Quick service
AI Review Summary
Based on 106 reviews
Customers report excellent support, fast delivery, and reliable performance from Immersun products, particularly EV chargers and power diverters. Many reviews highlight responsive technical assistance and successful long-term usage. Some issues with wiring instructions, app connectivity, and rare defective units are noted, often resolved promptly by support. A few reports of premature failures and warranty disputes appear, but overall sentiment remains strongly positive.
What customers love
- Fast delivery
- Responsive support
- Easy installation
- Great value
- Reliable performance
Common concerns
- Expensive pricing
- Faulty units
- Poor instructions
- Connectivity issues
- Warranty disputes
Last updated 1 week ago
I
ian ripper
A company with a strong aftersales and help ethos
If I have a problem with my Immersun Anish is always happy to help resolve it no matter how small the issue
B
BJ
Quick accurate and relevant tech support
Wow When my Immersun came up with a funny message I thought it was the end However I tried the Immersun tech support and they have been brilliant this means patient and using words of less than 1 syllable They managed to talk easy notes me through all necessary procedures So happy that my unit is working again - thanks so much to Immersun tech support
S
stuart campbell
Excellent friendly service
Excellent friendly service very knowledgeable and patient
J
Jason
Very knowledgeable and helpful advice
I had a slightly complicated technical query and immersun support were fabulous answering all my questions and giving very helpful extra info A delightful change from some other firms
I
Ian Brooks
Great support team really helpful and knowledgeable
The technical services team were fantastic I was trying to get 3 Immersuns on a slightly unusual 3 phase set up to extract all I can from a wind turbine The support team were knowledgeable and helpful all the way System now working exactly as hoped for feeding 3 3 immersion in a 2000 ltr Thermal store
I
Ian Sunbury
Fast response to my query and clear advice you cant ask for more
fast response to my query and good clear advice you cant ask for more
D
David Turkhud
Very patient and fixed me quick
Very patient and fixed me quickdoes I did not say this I said does not work and not much help It still does not work
R
Robert Gathergood
I highly recommend Immersun
As a homeowner I was looking for a way to reduce my carbon footprint and save money on my electricity bills Immersun s team helped me find the perfect solution and I am extremely happy with the results Their products are easy to use reliable and have helped me save a significant amount of money I highly recommend Immersun to anyone looking to save energy and money
B
BGW
Excellent support knowledgeable patient helpful
In 2015 upgraded our domestic CH HW system including the install of a twin coil unvented hot water tank The intention was then to install solar PV and additionally solar thermal HW green and energy security Some challenges re fitting roof solar thermal panels and opted to take advantage of otherwise wasted energy exported to grid to install Immersun diverter This device has worked really well for the 8 years - The diverter was a substantial cost saving over the solar thermal panels For several months a year we heat our hot water at nil cost and helps for the remainder of the year This makes me smile With the subsequent installation of a smart meter it has been reassuring to monitor how responsive particularly on partially cloudy days the unit is to availability of spare electricity Having performed without missing a beat as promised for 8 years the main unit have a wireless sensor then failed to work correctly The original contractor attended twice but failed to resolve Advice guidance and support over the phone resolved issue and I was impressed with the service Anish I could not have asked for more